QS 205 50H V3I/V3 E-Bike Spoke Hub Motor 5T 650RPM@72V for electric bicycle


SKU: 33050765581 Category:




QS 205 50H V3/V3I 5T 72V650RPM E-Bike Spoke Hub Motor


For 205 E-Bike spoke hub motor, it could be used for electric bike, high power electric bicycle.

Especially suit for electric bicycle, max. speed for 60km/h to 100km/h, depends on the tire.


3kW Spoke SIA



Key Features


1). Simplify to make a electric-bicycle. Gearbox, transmission shaft, clutch are no need. Which save space.

2). It could be installed in the rear to save more space for battery.

3). Support regenerative braking

4). High efficiency: 85~92% 



QS MOTOR 205 1000W-3000W E-BIKE Spoke Hub Motor List




PS.1). Above quotation base on 205 electric spoke hub motor, 48V~96V.

      2). Above configuration is suggested for mass production,

for EV enthusiast, V2 & V3 motor could be over-voltaged to gain more speed/performance (customizable).



Product description


Genearlly Spec:


Motor Type: BLDC Outer Rotor In-Wheel Hub Motor With Hall Sensor

Brand: QS Motor, QSMOTOR

Motor Design: Double axle without moped rim (integrated), 36 spoke holes, OD 4.2mm

Matching Rim Size: 24inch, 26inch E-Bike Wheel, 17inch, 18inch, 19inch moped wheel

Magnet Height: 50mm, 16 pole pairs

Stator: Aluminum Core

Rated Power: 3000W

Speed: 72V@650RPM, kV: 9.02

Work voltage range: 48V-96V, will be 72V as default.

Max Torque approx 182.0N.m

Thermic Probe: KTY83-122 (as default, optional)

Max Efficiency approx 88%

Working Temperature: 70-120℃ , peak 150 ℃

Brake type: Disc brake (as default), PCD6*80mm for bicycle

Drop-outs/Rear fork Width for installation: 150mm

Dual Halls with waterproof connectors(One for using, one for spare)

10mm axle flats

10mm² Cross Section of Phase Wire(not including insulation layer)

Waterproof Grade: IP54

Color: Black (As default)

N.W/ G.W: 13.5kg/14.5kg


Difference between V3/V3I




Dimension Drawing:


  • QS 205 E-Bike Spoke Hub Motor, 150mm drop-outs

205 150mm e-bike


Please noted:


Optional appearance, drawing, performance curve/test report are available. 

If you need more technical information, please feel free to contact us.

We will give you reply in 12hours.



Conversion kits for QS 205 3kW E-Bike Spoke Hub Motor


We're able to supply Controller, display, dc-dc converter, disc brake system, twist throttle…etc.


QS E-Bike kits(Whole)



Application For QS 205 E-Bike Spoke Hub Motor


205 spoke motor




Additional information


V3, V3I

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QS 205 50H V3I/V3 E-Bike Spoke Hub Motor 5T 650RPM@72V for electric bicycle